23272525 has 12 divisors (see below), whose sum is σ = 28917792. Its totient is φ = 18579440.

The previous prime is 23272493. The next prime is 23272547. The reversal of 23272525 is 52527232.

It is not a de Polignac number, because 23272525 - 2⁵ = 23272493 is a prime.

It is a super-2 number, since 2×23272525² = 1083220839751250, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23272493 and 23272502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23184 + ... + 24166.

It is an arithmetic number, because the mean of its divisors is an integer number (2409816).

Almost surely, 2^23272525 is an apocalyptic number.

23272525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23272525 is a deficient number, since it is larger than the sum of its proper divisors (5645267).

23272525 is an equidigital number, since it uses as much as digits as its factorization.

23272525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1935 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 23272525 is about 4824.1605487380. The cubic root of 23272525 is about 285.5055150485.

Adding to 23272525 its reverse (52527232), we get a palindrome (75799757).

The spelling of 23272525 in words is "twenty-three million, two hundred seventy-two thousand, five hundred twenty-five".